Added support for strip_watts arg to get_ipmi_power_reading
Added support for strip_watts arg to get_ipmi_power_reading

Change-Id: I5d261be08032d63a2e708a780fd3cb1e22acc7c5
Signed-off-by: Michael Walsh <10404802c7de463f402c4a18638106ca1b12ef61@us.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation